A new study by researchers at Oxford University has found that flies that live with their brothers are gentler lovers of females, ensuring that they cause less harm to female flies during courting, compared to those that live with unrelated flies. The study found that unrelated male flies compete more fiercely for females' attention than related flies, resulting in shorter lifespans for males and reduced fecundity for females. "In large populations ...
via Medindia Health News
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